13257959

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{139}}^1$

素因数の和:215

約数の個数: 32

約数和(自身を含む): 16934400

約数和(自身を除く): 3676441

約数列:

[1, 11, 13, 23, 29, 139, 143, 253, 299, 319, 377, 667, 1529, 1807, 3197, 3289, 4031, 4147, 7337, 8671, 19877, 35167, 41561, 44341, 52403, 92713, 95381, 457171, 576433, 1019843, 1205269, 13257959]

約数ペア:

[(1, 13257959), (11, 1205269), (13, 1019843), (23, 576433), (29, 457171), (139, 95381), (143, 92713), (253, 52403), (299, 44341), (319, 41561), (377, 35167), (667, 19877), (1529, 8671), (1807, 7337), (3197, 4147), (3289, 4031)]